Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad Class 9): Questions 68 - 73 of 126

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Question number: 68

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The measure of an angle is four times the measure of its supplementary angle. Then the angles are________

Choices

Choice (4) Response

a.

50˚, 200˚

b.

18˚, 72˚

c.

36˚, 144˚

d.

40˚, 160˚

Question number: 69

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, ABCD is a trapezium in which AB = 7cm, AD = BC = 5 cm, DC = x cm and the distance between AB and CD is 4 cm. Then the value of x is ________

Image defines the ABCD is a trapezium

Image Defines the ABCD Is a Trapezium

Image defines the ABCD is a trapezium and find the value of x

Choices

Choice (4) Response

a.

19 cm

b.

Cannot be determined

c.

16 cm

d.

13 cm

Question number: 70

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two complementary angles are in the ratio 13: 5, then the angles are________

Choices

Choice (4) Response

a.

15˚, 85˚

b.

65˚, 25˚

c.

13 x˚, 5 x˚

d.

65˚, 35˚

Question number: 71

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figureEquation , Equation form a linear pair and Equation . Then a, b respectively are________

Image defines angles that form a linear pair

Image Defines Angles That Form a Linear Pair

Image defines the angles that form a linear pair and find a and b

Choices

Choice (4) Response

a.

70˚, 100˚

b.

80˚, 120˚

c.

110˚, 70˚

d.

120˚, 80˚

Question number: 72

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two supplementary angles are in the ratio 13: 5, then the angles is ________

Choices

Choice (4) Response

a.

130˚, 50˚

b.

125˚, 55˚

c.

145˚, 35˚

d.

120˚, 60˚

Question number: 73

» Lines, Angles and Quadrilaterals

MCQ▾

Question

Two supplementary angles differ by 34˚. Then the angles are ________

Choices

Choice (4) Response

a.

72˚, 108˚

b.

107˚, 73˚

c.

74˚, 107˚

d.

120˚, 60˚

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